<script setup>
import {getCategoryFilterAPI,getSubCategoryAPI} from "@/apis/Subcategory.js"
import {useRoute} from "vue-router";
import {onMounted,ref} from 'vue'
import GoodsItem from "@/views/Home/components/GoodsItem.vue";
//获取二级分类数据，面包屑
const category = ref([])
const route = useRoute()

const getCategoryFilter = async () => {
  const res = await getCategoryFilterAPI(route.params.id)
  category.value = res.result
}

onMounted(() => {
  getCategoryFilter()
})
//获取基础列表数据进行渲染
const reqData=ref({
  categoryId: route.params.id,
  page:1,
  pageSize: 20,
  sortField: 'publishTime'
})
const goodlist = ref([])
const getgoodlist = async () => {
  const res = await getSubCategoryAPI(reqData.value)
  goodlist.value = res.result.items
}
onMounted(() => {
  getgoodlist()
})
//tab切换
const tochange = () => {
  reqData.value.page = 1
  getgoodlist()
}

//无限加载
const disabled = ref(false)
const load = async () => {
  //获取下一页的数据
  reqData.value.page++
  const res = await getSubCategoryAPI(reqData.value)
  //新老数据拼接
  goodlist.value = [...goodlist.value, ...res.result.items]
  //加载完毕
  if (res.result.items.length === 0) {
    //停止监听
    disabled.value = true
  }
}
</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>

        <el-breadcrumb-item :to="{ path: `/category/${category.parentId}` }">{{category.parentName}}
        </el-breadcrumb-item>

        <el-breadcrumb-item>{{category.name}}</el-breadcrumb-item>

      </el-breadcrumb>

    </div>

    <div class="sub-container">
      <el-tabs v-model="reqData.sortField" @tab-change="tochange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>

        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>

        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>

      </el-tabs>

      <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled">
        <!-- 商品列表-->
        <GoodsItem v-for="good in goodlist" :goods="good" :key="good.id" />
      </div>

    </div>

  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>
